Update use of SkCanvas and SkDevice to match change in Skia

skia/ext/bitmap_platform_device_mac.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "skia/ext/bitmap_platform_device_mac.h"
 
 #include <time.h>
 
 #include "base/mac_util.h"
 #include "base/ref_counted.h"
@@ skipping 31 matching lines @@
 
   // Change the coordinate system to match WebCore's
   CGContextTranslateCTM(context, 0, height);
   CGContextScaleCTM(context, 1.0, -1.0);
 
   return context;
 }
 
 }  // namespace
 
+SkDevice* SkBitmapPlatformDeviceFactory::newDevice(SkBitmap::Config config,
+                                                   int width, int height,
+                                                   bool isOpaque,
+                                                   bool isForLayer) {
+  SkASSERT(config == SkBitmap::kARGB_8888_Config);
+  return BitmapPlatformDevice::Create(NULL, width, height, isOpaque);
+}
+
 BitmapPlatformDevice::BitmapPlatformDeviceData::BitmapPlatformDeviceData(
     CGContextRef bitmap)
     : bitmap_context_(bitmap),
       config_dirty_(true) {  // Want to load the config next time.
   SkASSERT(bitmap_context_);
   // Initialize the clip region to the entire bitmap.
 
   SkIRect rect;
   rect.set(0, 0,
            CGBitmapContextGetWidth(bitmap_context_),
@@ skipping 184 matching lines @@
   SkAutoLockPixels lock(bitmap);
   uint32_t* data = bitmap.getAddr32(0, 0);
   return static_cast<SkColor>(data[x + y * width()]);
 }
 
 void BitmapPlatformDevice::onAccessBitmap(SkBitmap*) {
   // Not needed in CoreGraphics
 }
 
 }  // namespace skia